CVE-2026-3816 OWASP DefectDojo SonarQubeParser/MSDefenderParser parser.py input_zip.read denial of service

Medium 5.3 Published Updated

Remote attackers can cause denial of service in OWASP DefectDojo via malicious input to SonarQube or MSDefender parsers.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-3816?

CVE-2026-3816 is a medium-severity denial of service vulnerability in OWASP DefectDojo, published on 9 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A security vulnerability has been detected in OWASP DefectDojo up to 2.55.4. This vulnerability affects the function input_zip.read of the file parser.py of the component SonarQubeParser/MSDefenderParser. The manipulation leads to denial of service. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 2.56.0 is able to resolve this issue. The identifier of the patch is e8f1e5131535b8fd80a7b1b3085d676295fdcd41. Upgrading the affected component is recommended.

Weakness: CWE-1284, CWE-404

Which versions are affected by CVE-2026-3816?

It affects 1 product.

Products include Owasp Defectdojo.

How do I fix CVE-2026-3816?

No fix has been published for CVE-2026-3816 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2026-3816 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-3816 exists.

Sources

Also known as GHSA-22w8-2mrr-vh7h.

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